linux-kernel - Re: [PATCH] clk: st: Fix memory leak

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Message-ID: <20140523221359.23136.66960@quantum>
Date:	Fri, 23 May 2014 15:13:59 -0700
From:	Mike Turquette <mturquette@...aro.org>
To:	Valentin Ilie <valentin.ilie@...il.com>, pankaj.dev@...com,
	gabriel.fernandez@...com
Cc:	linux-kernel@...r.kernel.org,
	"Valentin Ilie" <valentin.ilie@...il.com>
Subject: Re: [PATCH] clk: st: Fix memory leak

Quoting Valentin Ilie (2014-04-22 06:15:54)
> When it fails to allocate div, gate should be free'd before return
> 
> Signed-off-by: Valentin Ilie <valentin.ilie@...il.com>

Taken into clk-fixes.

Regards,
Mike

> ---
>  drivers/clk/st/clkgen-pll.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c
> index bca0a0b..a886702 100644
> --- a/drivers/clk/st/clkgen-pll.c
> +++ b/drivers/clk/st/clkgen-pll.c
> @@ -521,8 +521,10 @@ static struct clk * __init clkgen_odf_register(const char *parent_name,
>         gate->lock = odf_lock;
>  
>         div = kzalloc(sizeof(*div), GFP_KERNEL);
> -       if (!div)
> +       if (!div) {
> +               kfree(gate);
>                 return ERR_PTR(-ENOMEM);
> +       }
>  
>         div->flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO;
>         div->reg = reg + pll_data->odf[odf].offset;
> -- 
> 1.8.3.2
> 
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